Base | Representation |
---|---|
bin | 1111010011101… |
… | …1001000111000 |
3 | 11110210222012121 |
4 | 3310323020320 |
5 | 112414032433 |
6 | 10212051024 |
7 | 1406510443 |
oct | 364731070 |
9 | 143728177 |
10 | 64205368 |
11 | 33273497 |
12 | 19603a74 |
13 | 103c0156 |
14 | 875465a |
15 | 5983c2d |
hex | 3d3b238 |
64205368 has 8 divisors (see below), whose sum is σ = 120385080. Its totient is φ = 32102680.
The previous prime is 64205353. The next prime is 64205369. The reversal of 64205368 is 86350246.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64205369) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4012828 + ... + 4012843.
It is an arithmetic number, because the mean of its divisors is an integer number (15048135).
Almost surely, 264205368 is an apocalyptic number.
It is an amenable number.
64205368 is a deficient number, since it is larger than the sum of its proper divisors (56179712).
64205368 is a wasteful number, since it uses less digits than its factorization.
64205368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8025677 (or 8025673 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 34.
The square root of 64205368 is about 8012.8252196089. The cubic root of 64205368 is about 400.4273931750.
The spelling of 64205368 in words is "sixty-four million, two hundred five thousand, three hundred sixty-eight".
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